baber/WOPTO huggingface dataset:
Patent DE-3929636-A1 (DE)
Title: Diagnostic appts. examining hand functions - has stimulator-sensor unit with application surfaces to measure force between finger and thumb
Inventor: HERMSDOERFER JOACHIM
IPC: A61B5/22
Filed: 1989-09-06
Abstract: The appts. contains at least one cylindrical, stimulator-sensor unit (10a,10b) operated by pressure. It can contain bellows or a piston-cylinder unit and is held between a finger and  thumb. The length of the unit (manipulandum) is variable between approx. 75 to 55 mm, the counterr force is applied pneumatically through change in air pressure. Force and path sensors are used to measure and evaluate the effective finger forces as well as the actual finger distances.  A control unit can calculate the movement parameters and control the pressure regulator (14). USE/ADVANTAGE - Motor functions and sensibility of hard rapidly, simply and reproducibly examined. Applicable after brain damage, stroke or ascertaining progress of rehabilitation.
Patent DE-3930375-A1 (DE)
Title: Load control method for rotary vehicle drive unit - controlling IC engine drive line with gear unit facilitating different transmission ratios
Inventor: FINSTERHOELZL HERBERT DR
IPC: F16H59/70
Filed: 1989-09-12
Abstract: With an alteration of the desired load, a load desired value (LW) determined by a desired load transmitter, is further given modified at the drive unit. The modification of the desired load is dependent on the gear unit transmission ratio existing at the time of the desired load alteration. The desired load difference value (DW) resulting from the difference of the desired load value (LW) and the desired load limiting  value (GW), is relayed almost at once to the drive unit according to a delay time dependent on the gear ratio of the transmission unit. The control unit includes  suitable electronic control elements. USE/ADVANTAGE - Load control method. Matches nearly all  vehicle operating ranges. Prevents occurrence of jerks with desired load changes using vehicle drive carrying out rotary  movement.
Patent DE-3930590-A1 (DE)
Title: Enclosed conveyor belt for earth or loose material - has horizontal belt and two fixed vertical side walls of low frictional resistance
Inventor: HACKMACK ALFRED DR
IPC: E02F5/02
Filed: 1989-09-13
Abstract: The conveyor has a horizontal endless belt (3,5) running round end rollers (4) with a vertical peripheral wall (1) fixed on either side to contain the earth or loose material (6). The side walls consist of or are faced with a material of low frictional resistance, e.g a Teflon (RTM) layer (2).
Patent DE-3931373-A1 (DE)
Title: Car facsimile appts. with temp. protection - has temp. sensor signals supplied to evaluator and control unit for operational voltage control
Inventor: KOCH JOACHIM
IPC: H02H5/04
Filed: 1989-09-20
Abstract: A temp. sensor is fitted in, or on, the car facsimile appts.  The sensor signals are supplied to an evaluation.and control unit, which interrupts the voltage supply to the facsimile appts. above or below of a preset temp. range. The appts.  comprises two differential amplifiers (A,B), a logic gate (L) controlled from the amplifier output, a switch (S) and a relay (R). A negative or a positive potential is applied to the minus or plus input of each differential amplifier. The amplifier (A) plus input, and the amplifier (B) minus input are energised by the temp. sensor (TF) to attain a high output level in a present temp range. ADVANTAGE: Facility for limiting facsimile operation only within preset temp. limits.
Patent DE-3933281-A1 (DE)
Title: Multiple impression injection mould - has lightweightweightweight system of quick action heater elements and sub-runners leading to annular flow paths between nozzle bushes and tips
Inventor: TSUTSUMI SHIGERU
IPC: B29C45/30
Filed: 1989-10-05
Abstract: In an injection mould system the nozzle arrangement for a multiple nozzle has a number of direct and precise quick-action heater elements; in a preferred form their front end projects from the nozzles and has projecting bushes; these bushes surround the heater elements but for their tips and narrow annular flow paths round the elements. The system has one main and several sub-runners connected to those annular flow paths; the tips of the bushes meet the surface of the mould; the tips of the heater elements are adjacent to a gate in a conical recess in the interior of the mould. ADVANTAGE - The design minimises the wt. and size of the manifold system when it has a number of heaters, and hence simplifies general handling.
Patent DE-3933966-A1 (DE)
Title: Keyboard unit for remote controller - can be incremented through 90 deg. rotations to increase number of functions
Inventor: MORITO KOICHI
IPC: H03M11/14
Filed: 1989-10-11
Abstract: A remote control unit of the type used to operate such equipment as a TV, radio or video recorder has a keyboard unit with a top section (8) and a base (1). The base has a built in circuit board that receives inputs from a matrix of 16 push button keys (7) mounted on the top section. The keyboard unit has a central pillar (9) located in a hole in the base and allows the unit to be turned through 90 deg. mode of operation for the remote controller. The psotions are fixed by parts located in indents (6) and detection switches (4,5) signal the circuit of the position damage. ADVANTAGE - Allows number of operational modes to be increased.
Patent DE-3935002-A1 (DE)
Title: PCB surface treatment - using plasma in reaction chamber flanked by lock chambers
Inventor: MAREK HELMUT
IPC: H05K3/00
Filed: 1989-10-20
Abstract: PCB's are treated in a low-pressure plasma to clean up the walls of drilled holes.  The reaction chamber used has an entry and an exit lock chamber and a transport system between them.  All three are connected to a vacuum pump and the reaction chamber has an inlet for the reactant gas.  This gas is activated outside the reaction chamber and enters the latter in an excited state.  The plasma is produced by a microwave generator. Pref. a rectangular tube (11) is divided by sliders (12, 13) in several chambers with end sliders (14, 15).  An entry lock chamber (16) for a PCB (17) and an exit lock chamber (18) flank the reaction chamber (24) with the conveyor (20) in three link chain sections (21, 22, 23).  The holes (25) lead to microwave generators for the entrying reactant gas.  The tubes (26, 27) lead to vacuum pumps. ADVANTAGE - This process permits a high throughput, requires little space and ensures a constant good quality.
Patent DE-3937991-A1 (DE)
Title: Rigid or semi-rigid cardboard box with window - has fold lines, and consists of transparent and opaque sheets of material
Inventor: DELARUE MARIE-THERESE
IPC: B31B1/82
Filed: 1989-11-15
Abstract: The especially cardboard box has a window (2), and consists of an opaque sheet (1) of rigid or semi-rigid material which has pre-set fold lines in. A transparent sheet (3) of rigid or semi-rigid material is attached to the inside of the opaque sheet around the window (2) so as to close the window. The transparent sheet (3) has fold-lines coinciding with those in the opaque sheet (1). The entire outside of the transparent rigid or semi-rigid sheet (3) is covered by the opaque sheet (1) so that the fold lines (12,13) in the transparent sheet (3) delineate the window (2) and the ends (14-17) of the lines extend to the edges (22-25) of the opaque sheet near the edge of the window (2). USE/ADVANTAGE - The box has a window covered by a single rigid or semi-rigid transparent sheet.
Patent DE-3939527-A1 (DE)
Title: Metal strip with support platelet for integrated circuit chips - has end strap(s) and other strap(s) rougher than terminal fins
Inventor: HINTERLECHNER GERHARD DIPL ING
IPC: H01L21/48
Filed: 1989-11-30
Abstract: The support platelet (3) has connecting fins (6) for coupling to two edge strips (1, 2), which can also have coupling straps (5, 7, 8). At least one edge strip (1) and/or another strap (4, 7)  are provided with spots on their surfaces and/or their undersides  which are rougher than the connecting fins. Pref. all the straps and both the edge strips are roughened. One or both edge strips may have index holes (9-11) in regular distances, with such holes also provided on the remaining straps but of smaller size than the index holes, with the smaller holes fitted at random. The roughening is typically provided after the strip rolling. ADVANTAGE - Facility for improved injection moulding of integrated circuit encapsulation.
Patent DE-3943080-A1 (DE)
Inventor: HOEFER RAINER DR
IPC: C08G18/42
Filed: 1989-12-27
Abstract: Reaction mixtures containing polyol constituents in the form of polyester polyols obtained by opening the rings of epoxidized esters with carboxylic acids, possibly admixed with polybutadiene diol, are used in the production of solid polyurethane materials by casting.
Patent DE-4002433-A1 (DE)
Inventor: TUCKEY CHARLES HENRY
IPC: F02M37/02
Filed: 1990-01-27
Abstract: A fuel delivery system (10) for internal combustion engines in which an electric-motor fuel pump (12) supplies fuel under pressure from a tank (16) to fuel injectors (27, 28, 30, 32) carried by the engine (22), and excess fuel is returned by a pressure regulator (26) from the engine (22) to the supply tank (16), has a restriction (50) positioned in the fuel return line (24) to restrict flow of return fuel therethrough, and thereby create a back-pressure of fuel in the return line (24). A pressure sensor (52) is coupled to the return line (24) between the pressure regulator (26) and the restriction (50) and drives the fuel pump (12) as an inverse function of fuel pressure in the return line (24), and thus as a direct function of fuel demand at the engine (22). <IMAGE>
Patent DE-4004919-A1 (DE)
Title: Strahldüse für ein Flugzeug-Gasturbinentriebwerk
Inventor: HALL JOHN MATTHEW
IPC: F02K1/12
Filed: 1990-02-16
Abstract: Düse (14, 16), bei welcher der Austrittsquerschnitt und die Aufteilung des Austrittsquerschnitts verändert werden kann. Die Düse weist einen etwa rechteckigen Düsenkanal (32) und einen parallelogrammförmigen Zentralkörper (40) auf, welcher vergrößert werden kann, um den Austrittsquerschnitt zu verändern, sowie quer bewegt werden kann, um die Aufteilung des Austrittsquerschnitts zu verändern. Die Bewegung des Körpers wird durch unabhängig voneinander betätigbare Kugelumlaufspindeln (66, 68) bewirkt.
Patent DE-4005929-A1 (DE)
Title: Reactive dyestuff cpds. with chloro fluoro pyrimidinyl amino gp.
Inventor: HOPPE MANFRED DR
IPC: C09B62/20
Filed: 1990-02-25
Abstract: Dyestuffs (I) contg. a 5-chloro-6-fluoro pyrimidin-4-yl amino gp. and one or two reactive heterocyclyl-amino gps. are of formula (I). In (I) FB is the radical of a dyestuff of the mono- or polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan, azomethin, dioxazine, phenazine, stilbene, triphenylmethane, xanthene, thioxanthone, nitroaryl, naphthoquinone, pyrenequinone or perylenetetracarbimide series, B and B' are a direct bond or a bridge to a ring C atom of an aromatic-carbocyclic or a ring C or N atom of an aromatic-heterocyclic ring in FB, esp. B is B' is a direct bond, X is the 5-chloro-6-fluoropyrimidin-4-yl gp., Z is a heterocyclic fibre-reactive gp., R and R' are H or (substd.) 1-6C alkyl. Dyestuff 4-(4-p-sulphoanilin-achloro-s-triazin-2-ylamino) benzenesulphonic acid (2-azo-2) 8-(5-chloro-6-fluoropyrimidin 4-ylamino)-1-naphthol -3,6-disulphonic acid is excluded. (I) can be prepd. by reacting the corresp. di- or tri-amino dyestuff cpd. (of formula (I) with X = Z is H) or their precursors with 1-2 mole 4-halo-5-chloro-6-fluoropyrimidine and opt. 1-2 mole Z-Hal (Hal is Cl, Br or F) and, if necessary, converting the precursors to (I).
Patent DE-4006948-A1 (DE)
Title: Wear monitoring system for cyclically loaded component - compares static distribution difference signals at end of each loading cycle with stored reference signals
Inventor: ENGELMOHR FRANZ
IPC: G01M17/007
Filed: 1990-03-06
Abstract: The wear monitoring system has the momentary values of 2 different component parameters which are continuously monitored used to obtain difference signals for characterising the static distribution of the difference in both parameters over a cycle of falling momentary values. After the loading cycle, the difference signals are compared with stored reference signals representing the static distribution of the differences in both parameters when the component is new, to allow the loading to be terminated. USE - For testing critical vehicle components.
Patent DE-4009043-A1 (DE)
Title: Drinking-glass polisher with motorised cone and cylinder - ensures polishing of outer surface by hollow cylinder while inner surface is polished by contra-rotating cone
Inventor: MICHEILOFF MICHAEL
IPC: A47L21/00
Filed: 1990-03-21
Abstract: The cone (5), mfd. of soft and/or compressible plastic foam and covered with e.g. cotton cloth (13), is fitted over a spike (4) centred in a retaining ring (2) which holds the hollow cylinder (3) of similar material surrounding the cone (5). The spike (4) and ring (2) are rotated in opposite directions by a motor and gearbox housed in the base (1) of the appts. with an on/off switch (16) in the lead (14) to a free plug (15). ADVANTAGE - Glasses of different sizes and shapes can be polished quickly and reliably with alternative cones and cylinders incorporating heating wires.
Patent DE-4010744-A1 (DE)
Title: Simply produced plastic cabinet - has top sides, base and back all produced as one injection moulding
Inventor: TWELLMANN GUENTER
IPC: A47B67/04
Filed: 1990-04-03
Abstract: A cabinet with racks is made of plastics and has an open front with guides formed in the sides to take pull-out shelves; it has also a framing member round the front which projects from the sides and top into the front. The base of the cabinet is offset from the lower edges of the sides at the level of the top edge of the lower side of the framing member; the top part of the framing member is separate and locks with the cabinet; the rear of the cabinet is one-piece with the adjoining sides. The cabinet has sides (12), top (14), base (16) and rear wall (18). The open front (20) has the framing member (22) project-inwards at all four edges; this stiffens the cabinet and gives it a rugged appearance. The two vertical sides of the member (22) also act as stops for the shelves (24). Guides (26) support the shelves (24) and are moulded directly on the inside of the walls (12). ADVANTAGE - The design is simple to produce.
Patent DE-4012823-A1 (DE)
Inventor: UHDE DIETMAR
IPC: G11B5/31
Filed: 1990-04-23
Abstract: There is no known feasible way of producing a true thin-film magnetic tape head with azimuth. A gap inclination (azimuth) can be made only by mechanically machining the substrate. The aim of the invention is to produce a thin-film magnetic tape head without putting two half-blocks together. According to the invention, a thin-film magnetic tape head (1, 6, 7, 8, 9) is produced in fifteen process stages in which the "hour-glass effect" is of prime importance. The process of the invention for producing a thin-film magnetic tape head combines the advantages of planar thin-film technology and gap production with the magnetic and mechanical advantages of conventionally manufactured heads. Magnetic tape devices, especially video recorders.
Patent DE-4019050-A1 (DE)
Title: Removal of concn. of heavy metal ions from aq. soln.
Inventor: KOEHLER GERNOT DR
IPC: B01J39/04
Filed: 1990-06-15
Abstract: A process is claimed for removing or concentrating heavy metal ions (I) from aq. soln. by bringing the aq. soln. into contact with a copoolymer (II) of ethylene, (meth)acrylic acid and (meth)acrylate ester in which up to 100% of the COOH gps. can be neutralised with metal ions.  (II) is a copolymer of 40-87 wt.% ethylene, 6-25 wt.% (meth)acrylic acid, 2-30 wt.% (meth)acrylate ester and 5-25 wt.% alkylpolyglycol (meth)acrylate; the COOH gps. in (II) are neutralised with Na, K, Mg or Ca ions; (II) is in the form of granules, in which case (I) are removed by passing through a chromatography column contg. (I), or film in which case (I) are conc. by bringing the soln. into contact with the film.  Pref. comonomers are 40-75 wt.% ethylene, 6-20 wt.% (meth)acrylic acid, 5-20 wt.% n-butyl, 2-ethylhexyl or lauryl acrylate and 5-20 wt.% acrylate of methyl-PEG 400, 460 or 660; adsorbed (I) can be recovered by elution with e.g. aq. NaCl, KCl, dil, HCl, etc.
Patent DE-4021683-A1 (DE)
Title: Transporting granular material by compressed air - involves turbocharger connected to air-compressor inlet
Inventor: WILMS PETER
IPC: F04C29/00
Filed: 1990-07-07
Abstract: Material such as grains of plasticse, powder, or animal fodder,r is transported from the storage silo by means of  compressed air.  The compressed air is normally supplied from a compressor (2). A turbo-charger (6) is installed in the inlet pipe to the compressor (2) in order to increase the compressor output. The turbo-charger (6) may be belt driven from the compressor or from the engine of the vehicle which transport the silo.  A heat exchanger (10) may be filled to the compressor outlet in order to cool the delivery air. USE - Transport of granular or powdery material by compressed air.
Patent DE-4025280-A1 (DE)
Title: Vehicle windscreen wiper assembly - incorporates easily assembled snap linkage to hold bows on rubber strip
Inventor: ISHIKAWA MASARU
IPC: B60S1/38
Filed: 1990-08-09
Abstract: The windscreen wiper on a vehicle is designed to prevent detachment of the blade. The wiper blade comprises a rubber strip (2), a bow (3) with a connection (3a), a lever (4) with a lever connection (4a) and a joint (5) to secure the bow to the lever. The joint has a bendable section (5a) provided with a lever engagement projection (5j) to fit into the lever connection (4a) and has a bow projection (5t) for the rotary retention of the bow which makes a snap fit with the connection (3a). USE/ADVANTAGE - Easily assembled windscreen wiper blade on vehicle in which the bow does not become detached from the lever if subject to an undue force.
Patent DE-4032251-A1 (DE)
Title: Freewheel clutch for two drive directions - has switching cam striking stop to turn control ring relative to clutch sleeve
Inventor: GEISTHOFF HUBERT DIPL ING
IPC: F16D41/12
Filed: 1990-10-11
Abstract: The automatically reversing freewheel clutch (1) for two driving directions has two clutch parts namely a clutch hub (2) and rotatable clutch sleeve (3) which can be connected together by locking pawls (4) which can be controlled by a control device (28). The control device has an adjustable control ring (24) and a switch ring with control curve (28), and also a spring-tensioned switch cam (30) which is locally fixed. There are two retaining stops (34,35) of which one is deactivated in the drive direction against the switch cam and is activated for the other turning direction, and comprises one or more bending springs (7). When the switching cam runs onto the retaining stop the control ring is turned relative to the clutch sleeve and causes the locking pawls to displace to reverse the direction of rotation. ADVANTAGE - The reversal of the direction of rotation is controlled automatically independently of the turning direction of the driving clutch part.
Patent DE-4035667-A1 (DE)
Title: Water mixer with single thermostat - has cold and hot water inlets and mixed water outlet, with valves
Inventor: EMS JOSEF
IPC: F16K5/20
Filed: 1990-11-09
Abstract: The water-mixer with a single thermostat (6), has a cold (3) and hot (4) water inflow, and a mixed (5) water outlet. Valves (8, 9) are positioned in front of the thermostat control (6) and in front of the valves belonging to the mixer chamber for controlling the flow quantity. The end of the central spindle (13) facing the valves (8, 9) has a fixed toothed rim (15) engaging with two toothed rims (16, 17) which cooperate by a slip coupling (24-26) with two single spindles (18, 19) for the valves (8, 9). USE/ADVANTAGE - The movable valve closures can be finely adjusted automatically when blocking the mixer.
Patent DE-4041203-A1 (DE)
Title: Detection and storing circuitry for extreme min. or max. value of input voltage - has transistor conducting if input voltage falls below storage capacitor voltage but blocking if its exceeds
Inventor: BOSCH MARTIN DIPL PHYS
IPC: G01R19/04
Filed: 1990-12-21
Abstract: The input voltage extends to the base terminal of a first pnp transistor (QD1) of a differential amplifier arrangement. The base terminal of the second pnp transistor (QD2) of the arrangement is connected to a storage capacitor (CD). The collector paths of the transistors are coupled via a current mirror (QD3, QD4) controlled by the collector current path of the first transistor. A clamping circuit, comprising a resistor (RD4) and two transistors (QD9, QD10) in parallel with the transistors (QD3, QD4) forming the first current mirror, is connected to the collector of the second transistor. A second current mirror, formed from the transistors (QD10, QD11) and coupling the collector terminals of the first and second transistors, is controlled by current flowing through the clamping circuit. USE - Photoreceiver or photocell with dark current compensation. Detects useful signal weak in amplitude in relation to non-changing, or only slowly changing, background signal.
Patent DE-4100080-A1 (DE)
Title: Grinding and separating mechanism - has lever-mounted grinding wheels running against inside of rotary sieve drum
Inventor: SPATZ WALTER
IPC: B02C15/04
Filed: 1991-01-04
Abstract: The grinding and separating mechanism has a sieve drum rotating on an axis slightly inclined to the horizontal, and a feed system for the material. Inside the drum (1) are one or more grinding wheels(3) on a hinging lever (9), and running against the inside surface of the drum. The lever can hinge on a bracket (4) via spindle parallal to the drum axis, while the wheel axis can likewise be parallel to the latter. ADVANTAGE - Leaves impurities unground and separates them simultaneously.
Patent DE-4103204-A1 (DE)
Title: Anchor between components - has axially-shortening component between expanding bush and stop on bar
Inventor: VOLLMER HELMUT
IPC: E04G23/02
Filed: 1991-02-02
Abstract: The anchor steering two components (A,B) together has a bar (1) secured to the first one and fixed in a drilling (4) through the second by an anchoring device (3). The latter has expanding segments (5a) on a bush (5) with shoulder (5b) bearing against a stop (6) on the bar, while a tapering expander body (7) is thrust by a nut (8) into the bush. Between the stop and the shoulder is a component (9) which can be shortened in the axial direction after the bush has been fixed in position, typically a spring enclosing the bar. ADVANTAGE - Allows some relative movement.
Patent DE-4104125-A1 (DE)
Title: Tailgate for motor car - incorporates hinges integrated in car roof rack
Inventor: GRABNER JOERG
IPC: B60R9/04
Filed: 1991-02-12
Abstract: The tailgate is hinged along the top edge, via hinges, to the roof of a car body. The car has an integral roof rack (2,3), and the rear feet (4,5) have a hinge (6,7) on either side of the car. The tailgate (10) has a top arm (8,9) on either side, and the arms are joined to the hinges. Each foot has a recess (12,13), and the arm ends are turnably held in these. USE/ADVANTAGE - Tailgate for car with simpler assembly; no reinforcements in body required.